rooms and offices to reflect together on what happened in that tragedy in tucson. the president will seek to unite the country, speaking at a giant stadium at the university of arizona, about the lives lost and also paying tribute to those who tried to save them. as a half a mile away, in the hospital, the wounded still fight to heal. and, we have a picture tonight of a bedside vigil. astronaut mark kelly, sitting through long hours of uncertainty, holding the hand of his wife, congresswoman gabrielle giffords, so that she will sense he is there. today, doctors said she is making small movements on her own as they lessen the sedation. so, let us begin tonight with dan harris who has been reporting in tucson all day. >> reporter: all day, they lined up, thousands of people, hours in advance of tonight's memorial service. linda kay gross camped out overnight. why was this event so important to you that you decided to stay here all night in order to get here? >> because we live here.